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Rounding up to next power of 2
... that time?). From : jameshfisher.com/2018/03/30/round-up-power-2.html uint64_t next_pow2(uint64_t x) { return x == 1 ? 1 : 1<<(64-__builtin_clzl(x-1)); } And for 32 bit : uint32_t next_pow2(uint32_t x) { return x == 1 ? 1 : 1<<(32-__builtin_clz(x-1)); } That is if you use GCC (and Cla...
Is there a faster/shorter way to initialize variables in a Rust struct?
... a new type that implements a default value of -1 and use that instead of i64 in your struct. (I haven't tested that, but it should work).
However, I'd suggest to slightly change your data structure and use Option<i64> instead of i64. I don't know the context of your code, but it looks like y...
C# - how to determine whether a Type is a number
...itive types are Boolean, Byte,
SByte, Int16, UInt16, Int32, UInt32,
Int64, UInt64, Char, Double,and
Single.
Taking Guillaume's solution a little further:
public static bool IsNumericType(this object o)
{
switch (Type.GetTypeCode(o.GetType()))
{
case TypeCode.Byte:
case Typ...
What does ~~ (“double tilde”) do in Javascript?
.... It does not round any numbers.
Math.trunc(13.37) // 13
Math.trunc(42.84) // 42
Math.trunc(0.123) // 0
Math.trunc(-0.123) // -0
Math.trunc("-1.123")// -1
Math.trunc(NaN) // NaN
Math.trunc("foo") // NaN
Math.trunc() // NaN
The polyfill:
function trunc(x) {
return x <...
MVC Vs n-tier architecture
...
96
N-tier architecture usually has each layer separated by the network. I.E. the presentation laye...
How can I download a specific Maven artifact in one command line?
...
96
With the latest version (2.8) of the Maven Dependency Plugin, downloading an artifact from the ...
How to auto-remove trailing whitespace in Eclipse?
...nes or ignoring empty lines - really annoying.
– Thor84no
Feb 12 '14 at 13:06
|
show 2 more comments
...
Breakpoint on property change
...serve(myObj, func);
myObj.a = 42;
Object.unobserve(myObj, func);
myObj.a = 84;
Note that when using Object.observe, you'll not be notified when the assignment didn't change anything, e.g. if you've written myObj.a = 1.
To see the call stack, you need to enable "async call stack" option in Dev Too...
Download a file by jQuery.Ajax
...
You can with HTML5
NB: The file data returned MUST be base64 encoded because you cannot JSON encode binary data
In my AJAX response I have a data structure that looks like this:
{
result: 'OK',
download: {
mimetype: string(mimetype in the form 'major/minor'),
...
How to set button click effect in Android?
...
84
Create your AlphaAnimation Object that decides how much will be the fading effect of the button...